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Title:
ARTIFICIAL LEATHER AND METHOD OF MANUFACTURING THE SAME
Document Type and Number:
Japanese Patent JP2010168692
Kind Code:
A
Abstract:

To provide an artificial leather breaking through the restriction relating to the exfoliate paper in dry method, preventing penetration of an adhesive into a foundation cloth and emboss return of surface leather which are the defects of the calendering method, and restraining the quantity of using a volatile organic solvent which is a defect of the wet method.

This artificial leather includes a skin sheet 1 on which emboss processing is carried out while heating a thermoplastic polyurethane film, an adhesion layer 2 which is formed by laminating an adhesive 2a on the skin sheet 1, and a foundation cloth 3 which is glued on the adhesion layer 2, wherein a thermally expansive foaming agent 2b is compounded in the adhesion layer 2, the drying of the adhesive 2a and the expansion of the foaming are agent 2b carried out simultaneously at a lower temperature than the heating temperature during the emboss precess, and the foundation cloth 3 is adhered to the dried adhesive 2a.


Inventors:
HIRAI YOSHIAKI
Application Number:
JP2009013011A
Publication Date:
August 05, 2010
Filing Date:
January 23, 2009
Export Citation:
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Assignee:
OKAMOTO IND INC
International Classes:
D06N3/14
Attorney, Agent or Firm:
Eichi International Patent Office